I believe the issue is finally resolved. The last bit was an arcing between the points connector wire and the advance unit. I replaced the worn out ad...

@wobbly Not sure what you're saying here, Richard. I have the Bings installed and I think they are the current problem, whether they are out of adjust...

@1405 replacing the pinched points fixed the non-firing cylinder and I thought it was up but now get a bad spot between off idle and about 2k. Just be...

That is a tight fit. I know if you don't get that wire holder just right the points sit on top of it. I never thought it would interfere with the spar...

Thanks to all for great input. At Richard's suggestion I checked the spark color. It looked ok, but not blue, so I went looking for info on that subje...

Well, I'm out of options - spark is good and fat (not exactly 'blue', but certainly strong) and enricher/choke also looks good. I'm going to pull the...

@4949 David- I did check the diaphragm (new) and it looks fine. I think your 'choke' suggestion makes sense and I'll pull that today. Thanks again.

I'm surprised, but not 'shocked' that I identified the wrong side in the title of this thread! It's actually the left side that is having the problem....

I was able to get the 'proud' mixture screw to behave - I think there was a rough spot in the threads and I didn't want to screw up the seat. Just a l...

Thanks James and David! I tried James' suggestion of swapping coil wire destinations and the problem stayed on the left side. I then did a compression...